Home / 4,811.63-7,217.72-1,349.15

Finding the Fourth Proportional to 4,811.63, 7,217.72 and 1,349.15

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Solution

The fourth proportional to 4,811.63, 7,217.72 and 1,349.15 is: 2,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.63 : 7,217.72 = 1,349.15 : x
  2. Step 2: Convert to fraction form
    4,811.63/7,217.72 = 1,349.15/x
  3. Step 3: Cross multiply
    4,811.63x = 7,217.72 × 1,349.15
  4. Step 4: Simplify right side
    4,811.63x = 9,737,744.10
  5. Step 5: Solve for x
    x = 9,737,744.10/4,811.63
  6. Step 6: Final answer
    x = 2,023.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.